2-2C语言学习

#include<stdio.h>
void double_value(double n);
int main()
{
	double value;
	printf("Please enter the double value :");
	scanf_s("%lf", &value);
	while (value>0.00)
	{
		double_value(value);
		printf("\nPlease enter the double value :");
		scanf_s("%lf", &value);
	}
	return 0;
}
void double_value(double n)
{
	n = n * n * n;
	printf("The cube of this number is %.3f", n);
}